Difference Between Diet Coke and Coke Zero

Soft Drinks dates back to the 18th century where people used to drink fruit juices. Aerated drinks came into existence shortly after the 19th century.

A day without carbonated drinks is never experienced by many people in the world. Statistics say, on an average 60 percentage of kids in the world and 50 percentage of adults in the world used to drink aerated beverages in any given day.

The companies which manufacture soft drinks also have a lot of competition. Many companies are coming up with many customer luring marketing strategies and different products as well.

The aspect that people are always worried about is the health factor. So, Coco-Cola introduced no sugar coke and made it healthy and marketed the same.

Coco-Cola came up with 2 healthy soft drinks. They are called Diet Coke and Coke Zero.

Diet Coke vs Coke Zero

The difference between Diet Coke and Coke Zero is that Diet Coke is a sugar-free and calorie-free Cola that has a lighter taste and flavours than the original Coca-Cola. Coke Zero is also free from sugar and calorie which looks and tastes very similar to the original Coca-Cola.

Diet Coke vs Coke Zero


Comparison Table

Parameter of ComparisonDiet CokeCoke Zero
Origin and Market ExistenceDiet Coke came into the market in the year 1983.Coke Zero came into the market in 2006
Main DifferenceThe Chemical used in diet coke is Citric Acid which gives it a light taste.The Chemical used in Diet Coke is Sodium Citrate.
Main Ingredients1. Carbonated Water
2. Caramel Colour
3. Aspartame
4. Phosphoric Acid
5. Potassium Benzoate
6. Natural Colours
7. Citric Acid
8. Caffeine
1. Carbonated Water
2. Caramel Colour
3. Aspartame
4. Phosphoric Acid
5. Potassium Benzoate
6. Acesulfame Potassium
7. Potassium Citrate
8. Caffeine
Caffeine ContentDiet Coke has higher levels of caffeineCoke Zero has lower levels of caffeine
Market standingDiet coke is very popular among people, Still stands strong.Coke Zero was almost knocked out in 2016 and it is not as popular as many of Coco-Cola’s beverages.


What is Diet Coke?

Diet Coke is a No Calorie, Sugar-Free soft drinks manufactured and distributed by the company called Coco-Cola. It was introduced in the year 1983 in the United States of America.

It is to be mentioned that, right from the beginning of Coco-Cola’s existence in the world from 1886, Diet Coke was the first new brand introduced by the company. Diet Coke was introduced to counter its rival’s no sugar drink Pepsi.

Diet Coke brought a sensational change in people’s mindset. Anyone can drink it, even a diabetic patient can drink as it is sugar-free.

Initially, saccharin was used as a sweetener in the drink. Later Aspatame came for the rescue and made the drink 100% aspartame mixed sweetener.

The fountain dispensers even these days have saccharin in it to increase the shelf life of the drink. The prime aspect of Diet coke is, the drink’s taste was determined for every region based on the customer’s preference.

There are however health concerns with diet coke. The usage of additives causes long term health problems.

Though the drink is labelled and it is No -Sugar drink, this brings a psychological need for other ways of sugar consumption in the body which it cannot balance.

Diet coke has later changed the sweetener additive to sucralose, but not to any effect.

diet coke

What is Coke Zero?

Coke Zero is a no-sugar soft drink manufactured and distributed by a company called Coco-Cola. In certain countries, Coke Zero is also called as Coco-Cola – no Sugar.

This drink was introduced in the year 2006. Initially, it was also marketed as Zero Calorie Drink.

The launch of Coke Zero was the largest in their last 22 years of the product launch in the year 2006. Unlike Diet Coke, Coke Zero has the same flavour and taste throughout the world.

US Food and Drug Administration had banned a particular substance called Sodium Cyclamate, an inexpensive artificial sweetener.

This substance is found to be used in Coke Zero which is distributed in a few other countries like Germany, Italy, Spain, Portugal and a few other Central American countries.

The Coke Zero had a unique name a nick called ‘Bloke Coke’. This is because fo the marketing strategy used by The Coco-Cola. Initially, Coke Zero was marketed targetting the young males of the country.

The marketing verbatim changed region to region. While they used the word diet in the UK, they used Calorie-Free in the US.

Coke Zero lost its popularity in the year 2016 and many reformations were made and introduced another drink called Coco-Cola Zero Sugar.

coke zero

Main Differences Between Diet Coke and Coke Zero

  1. Out of all the products, the premium versions of Coco-Cola which played with the word diet gave them all the rewards. The main difference between Diet Coke and Coke Zero is the chemical involved in it for the taste difference, Diet Coke has Citric Acid while Coke Zero has Sodium Citrate.
  2. The year of origin is also to be noted, Diet Coke came into the market by 1983 to counter Pepsi’s diet drinks. The Coke Zero came into the market in 2006.
  3. Diet Coke and Coke Zero are meant to be no sugar and calorie-free, however, there is a difference in their ingredients. Diet Coke does not have Acesulfame Potassium and Potassium Citrate which the Coke Zero has. The main taste enhancers of the latter.
  4. The caffeine levels of Diet coke are higher compared to the Coke Zero.
  5. Coke Zero s still popular with its calorie-free trust by the customers, however, Coke Zero lost its charm in 10 years of its market existence.
Difference Between Diet Coke and Coke Zero


  1. https://www.dietcoke.com/
  2. https://www.coca-colacompany.com/news/the-extraordinary-story-of-how-diet-coke-came-to-be
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Last update on 2022-12-03 / Amazon Affiliate links / Images from Amazon Product Advertising API